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Colour

#440A17

  • #440A17
  • Red
  • Dark
  • Nearest: Black

#440A17 is a red with RGB values 68, 10, 23 and HSL 347°, 74%, 15%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#440A17#440A17
HEX#440A17
RGBrgb(68, 10, 23)
RGB (0–1)0.2667, 0.0392, 0.0902
RGB percentages26.7%, 3.9%, 9%
HSLhsl(346.6, 74.4%, 15.3%)
HSV / HSBhsv(346.6, 85.3%, 26.7%)
CMYK0%, 85.3%, 66.2%, 73.3%naive device-independent conversion; real print needs an ICC profile
24-bit integer4,459,031
CSS custom property--colour: #440A17;

Brightness & contrast

Relative luminance0.01508WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.13:1
Contrast with white16.13:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#BBF5E8

Colour vision & accessibility

Protanopia#1A1917no red cones; affects about 1% of men; ΔE 29 from the original
Deuteranopia#292515no green cones; the most common form, about 1% of men; ΔE 29.4 from the original
Tritanopia#4B000Fno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.13:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 31.79, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0A4437
Analogous#440A34, #441A0A
Triadic#17440A, #0A1744
Split complementary#0A441A, #0A3444
Tetradic#34440A, #0A4437, #1A0A44

Tints, shades & saturation

Lighter +40%#E2385E
Lighter +30%#C91E44
Lighter +20%#9D1735
Lighter +10%#701126
Darker −10%#180308
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4E0012
Less saturated −25%#3A141C

Channel breakdown

R68
G10
B23
Red68 (26.7%)
Green10 (3.9%)
Blue23 (9%)
Hue346.55°
Saturation (HSL)74.36%
Lightness15.29%
Dominant channelRed
Hex per channelR 44 · G 0A · B 17

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Every value on this page was computed from “440a17” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.